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dab40cd5f4
Backport #27655 by @wolfogre When `webhook.PROXY_URL` has been set, the old code will check if the proxy host is in `ALLOWED_HOST_LIST` or reject requests through the proxy. It requires users to add the proxy host to `ALLOWED_HOST_LIST`. However, it actually allows all requests to any port on the host, when the proxy host is probably an internal address. But things may be even worse. `ALLOWED_HOST_LIST` doesn't really work when requests are sent to the allowed proxy, and the proxy could forward them to any hosts. This PR fixes it by: - If the proxy has been set, always allow connectioins to the host and port. - Check `ALLOWED_HOST_LIST` before forwarding. Co-authored-by: Jason Song <i@wolfogre.com>
127 lines
3.2 KiB
Go
127 lines
3.2 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package webhook
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import (
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"context"
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"net/http"
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"net/http/httptest"
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"net/url"
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"testing"
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"time"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/models/unittest"
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webhook_model "code.gitea.io/gitea/models/webhook"
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"code.gitea.io/gitea/modules/hostmatcher"
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"code.gitea.io/gitea/modules/setting"
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api "code.gitea.io/gitea/modules/structs"
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webhook_module "code.gitea.io/gitea/modules/webhook"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestWebhookProxy(t *testing.T) {
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oldWebhook := setting.Webhook
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t.Cleanup(func() {
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setting.Webhook = oldWebhook
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})
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setting.Webhook.ProxyURL = "http://localhost:8080"
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setting.Webhook.ProxyURLFixed, _ = url.Parse(setting.Webhook.ProxyURL)
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setting.Webhook.ProxyHosts = []string{"*.discordapp.com", "discordapp.com"}
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allowedHostMatcher := hostmatcher.ParseHostMatchList("webhook.ALLOWED_HOST_LIST", "discordapp.com,s.discordapp.com")
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tests := []struct {
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req string
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want string
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wantErr bool
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}{
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{
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req: "https://discordapp.com/api/webhooks/xxxxxxxxx/xxxxxxxxxxxxxxxxxxx",
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want: "http://localhost:8080",
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wantErr: false,
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},
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{
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req: "http://s.discordapp.com/assets/xxxxxx",
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want: "http://localhost:8080",
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wantErr: false,
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},
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{
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req: "http://github.com/a/b",
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want: "",
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wantErr: false,
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},
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{
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req: "http://www.discordapp.com/assets/xxxxxx",
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want: "",
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.req, func(t *testing.T) {
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req, err := http.NewRequest("POST", tt.req, nil)
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require.NoError(t, err)
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u, err := webhookProxy(allowedHostMatcher)(req)
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if tt.wantErr {
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assert.Error(t, err)
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return
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}
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assert.NoError(t, err)
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got := ""
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if u != nil {
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got = u.String()
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}
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assert.Equal(t, tt.want, got)
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})
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}
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}
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func TestWebhookDeliverAuthorizationHeader(t *testing.T) {
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assert.NoError(t, unittest.PrepareTestDatabase())
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done := make(chan struct{}, 1)
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s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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assert.Equal(t, "/webhook", r.URL.Path)
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assert.Equal(t, "Bearer s3cr3t-t0ken", r.Header.Get("Authorization"))
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w.WriteHeader(200)
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done <- struct{}{}
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}))
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t.Cleanup(s.Close)
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hook := &webhook_model.Webhook{
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RepoID: 3,
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URL: s.URL + "/webhook",
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ContentType: webhook_model.ContentTypeJSON,
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IsActive: true,
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Type: webhook_module.GITEA,
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}
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err := hook.SetHeaderAuthorization("Bearer s3cr3t-t0ken")
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assert.NoError(t, err)
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assert.NoError(t, webhook_model.CreateWebhook(db.DefaultContext, hook))
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db.GetEngine(db.DefaultContext).NoAutoTime().DB().Logger.ShowSQL(true)
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hookTask := &webhook_model.HookTask{HookID: hook.ID, EventType: webhook_module.HookEventPush, Payloader: &api.PushPayload{}}
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hookTask, err = webhook_model.CreateHookTask(db.DefaultContext, hookTask)
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assert.NoError(t, err)
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if !assert.NotNil(t, hookTask) {
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return
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}
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assert.NoError(t, Deliver(context.Background(), hookTask))
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select {
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case <-done:
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case <-time.After(5 * time.Second):
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t.Fatal("waited to long for request to happen")
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}
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assert.True(t, hookTask.IsSucceed)
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}
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